"""
基础，数据类型、文件操作
"""
# print('我是帅哥')
#
# name = input('请输入你的名字:')
# address = input("清输入你的地址:")
# age = int(input("请输入你的年龄:"))
#
# s = "我叫 %s, 我今年%d岁,我住在%s" %(name,age,address)
# s1 = "我叫 {}, 我今年 {} 岁,我住在 {}".format(name,age,address)
# s2 = f"我叫 {name}, 我今年 {age} 岁,我住在 {address}"#f-string
#
# print(s2)

# s3 = "我叫周杰伦，你呢？你叫周润发吗？"
# # 语法: s[start:end:step] 从start切到end，每step个元素出来一个元素
# print(s3[3:6])
# print(s3[::-1])
#
# lst = ['赵本山','王大拿','大张伟','马大哈']
# s = "_".join(lst)
# print(s)

# s1 = {"刘能","赵四","皮长山"}
# s2 = {"刘科长","冯乡长","皮长山"}
#
# print(s1 & s2)
# print(s1.intersection(s2))
#
# print(s1 | s2)
# print(s1.union(s2))
#
# print(s1 - s2)
# print(s1.difference(s2))
dic ={
    "a1": "aaaaa",
    "b1": "bbbbb",
    "c1": "ccccc",
    "d1": "ddddd"
}
for key,value in dic.items():
    print(key+"="+value)
